"I think it is about a diamond dealer... Or does he deal with crystals? I am not sure."

Rita replies: "Well, I love stuff about jewellery."

Corrie scriptwriters even give an unseen character the name of the show's central drug kingpin character - as well as punning on the programme's title.

Turning down a babysitting offer, Emily later explains: "A friend from church has had a fall and broke his hip so I need to go and sit with him. His name is Walter White. He is quite active in the community. It is quite a bad break."